California Ballot Initiatives 2026
Sergey Brin and John Doerr
Major donors identified behind Building a Better California
, which has transferred more than $100 million to the campaign opposing Proposition 40. The organization also finances Propositions 41, 42 and 45 The individual shares cannot be determined from these transfer amounts alone.
Richard Uihlein
$17 million toward Proposition 39, establishing voter identification requirements.
FPPC
There are also notable wealthy donors financing opposition campaigns. For example, Wendy Schmidt is listed as contributing $10 million against Proposition 45, and Reed Hastings contributed $1 million to a committee opposing Proposition 39.
FPPC
Who are the major donors? Proposition Major identified donors or funding sources Disclosed amounts
40 — Billionaire wealth tax (opposition) Building a Better California, with top underlying donors Sergey Brin and John Doerr $103.5M transferred to No on 40 committee
42 — Restrictions on wealth/property taxes (support) Building a Better California, with Brin and Doerr as top donors $112.8M transferred
41 — Special-tax audits and spending limits (support) Building a Better California, with Brin and Doerr as top donors $58.35M transferred
38 — Immunology research bonds (support) Gary Michelson; Michelson Center; Meyer Luskin $25M direct from Michelson; $21.2M through the center; $5M Luskin
45 — Environmental review changes (support) Building a Better California; building industry PACs; utility and development interests $10M, $6.6M, $3.4M, $2.3M, plus others
39 — Voter identification (support) Richard Uihlein; Joe Gebbia; Nicole Shanahan; Winklevoss twins $17M; $8M; $370K; $250K each from the twins
43 — Local taxation rules (support) California Business Roundtable Issues PAC; Kilroy Realty; Douglas Emmett Properties $9.87M; $1M; $1M
37 — Housing construction/homeownership (support) California Association of Realtors-associated committee; Building a Better California $14.85M; $6M Sources: FPPC's October 13 disclosures for Propositions 37–45.
FPPC
